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Reports guard clauses that can be replaced with a function call.
<p><b>Example:</b></p>
<pre><code>  fun test(foo: Int?) {
      if (foo == null) throw IllegalArgumentException("foo") // replaceable clause
  }
</code></pre>
<p>After the quick-fix is applied:</p>
<pre><code>  fun test(foo: Int?) {
      checkNotNull(foo)
  }
</code></pre>
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